Uncaught TypeError: Cannot read properties of undefined (reading 'dom')

[rpatil]

After clicking on the source-code button of the editor, the complete text vanishes.

Gem details:

gem 'trestle', '0.9.2'
gem 'trestle-auth', '0.3.0'
gem 'trestle-search', '0.4.1'
gem 'trestle-tinymce', '0.3.1'
gem 'tinymce-rails', '5.10.1'

Step 1:

Step 2:

[dongalor]

I'm having same problem, but only in production. Running it locally in development environment works like a charm. So, it looks like after precompiling assets something goes wrong.

[denisse-orellana]

For those who have this problem in production, I recommend you to change in production.rb:

config.assets.js_compressor = :uglifier

To:

config.assets.js_compressor = Uglifier.new(harmony: true)

Also, delete cache and everything. Try it in different browsers.
(You can use the gem Terser too as a JavaScript compressor).

I hope this can be helpful, I've spent days trying to understand the problem.